/*
 * Copyright 2016-2017 ZTE Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var commonUtil = {};
commonUtil.arrayRemove = function( aryInstance , index ){
    if(aryInstance == undefined || aryInstance == null){
        return;
    }
    for(var i=0,n=0;i<aryInstance.length;i++) {
        if(aryInstance[i]!=aryInstance[dx]) {
            aryInstance[n++]=aryInstance[i];
        }
    }
    aryInstance.length-=1;
};

//For the expansion of the Date, convert the Date to specify the format String
// examples：
// (new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423
// (new Date()).Format("yyyy-M-d h:m:s.S")      ==> 2006-7-2 8:9:4.18
commonUtil.parseDate = function( dateObj , format){
    var o = {
        "M+" : dateObj.getMonth()+1, //month
        "d+" : dateObj.getDate(),    //day
        "h+" : dateObj.getHours(),   //hour
        "m+" : dateObj.getMinutes(), //minute
        "s+" : dateObj.getSeconds(), //second
        "q+" : Math.floor((dateObj.getMonth()+3)/3),  //quarter
        "S" : dateObj.getMilliseconds() //millisecond
    }
    if(/(y+)/.test(format)) format=format.replace(RegExp.$1,
        (dateObj.getFullYear()+"").substr(4 - RegExp.$1.length));
    for(var k in o)
        if(new RegExp("("+ k +")").test(format))
            format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] :
                    ("00"+ o[k]).substr((""+ o[k]).length));
    return format;
};

//tooltip
commonUtil.showMessage = function(message, type) {
    $.growl({
        icon: "fa fa-envelope-o fa-lg",
        title: "&nbsp;&nbsp;" + $.i18n.prop("nfv-nso-iui-common-tip"),
        message: message
    },{
        type: type
    });
};

commonUtil.registerCometdMessage = function(url, channel, callback) {
    var cometd = new $.Cometd();
    var cometdURL = location.protocol + "//" + location.host + url;
    cometd.configure({
        url : cometdURL,
        logLevel : "info"
    });
    // unregister websocket transport, use long-polling transport
    cometd.unregisterTransport('websocket');
    // store channel object parameters(this object include channel and callback function), start from arguments[1]
    var _args = arguments;  

    cometd.addListener("/meta/handshake", function(handshake){
        if(handshake.successful === true) {
            cometd.batch(function() {
                //subscribe channel
                cometd.subscribe(channel, function(message){
                    callback.call(this, message.data);
                });
            });
        }
    });
    cometd.handshake();
}

commonUtil.format = function() {
    if(arguments.length == 0) {
        return null;
    }
    var str = arguments[0];
    for(var i=0; i<arguments.length; i++) {
        var reg = new RegExp("\\{" + (i - 1) + "\\}" , "gm");
        str = str.replace(reg, arguments[i]);
    }
    return str;
}

commonUtil.get = function(url, params, callback) {
    $.ajax({
        type : "GET",
        url : url,
        //contentType : contentType || "application/x-www-form-urlencoded; charset=UTF-8",
        dataType : "json",
        data : params || {},
        success : callback
    });
}

commonUtil.post = function(url, params, callback, contentType) {
    $.ajax({
        type : "POST",
        url : url,
        contentType : contentType || "application/x-www-form-urlencoded; charset=UTF-8",
        data : params || {},
        success : callback
    });
}

commonUtil.delete = function(url, callback, contentType) {
    $.ajax({
        type : "DELETE",
        url : url,
        contentType : contentType || "application/x-www-form-urlencoded; charset=UTF-8",
        success : callback
    });
}